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Finding the Fourth Proportional to 153,298.92, 229,949.41 and 53,458.73

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Solution

The fourth proportional to 153,298.92, 229,949.41 and 53,458.73 is: 80,188.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,298.92 : 229,949.41 = 53,458.73 : x
  2. Step 2: Convert to fraction form
    153,298.92/229,949.41 = 53,458.73/x
  3. Step 3: Cross multiply
    153,298.92x = 229,949.41 × 53,458.73
  4. Step 4: Simplify right side
    153,298.92x = 12,292,802,139.46
  5. Step 5: Solve for x
    x = 12,292,802,139.46/153,298.92
  6. Step 6: Final answer
    x = 80,188.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.